Tools & Wizards About Us
boilerengineer4u.co.uk screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    31% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

boilerengineer4u.co.uk

Gas Safe Plumbing and Boiler Services South London | Boiler Engineer 4U

Page Load Speed

6.8 sec in total

First Response

473 ms

Resources Loaded

4.9 sec

Page Rendered

1.5 sec

boilerengineer4u.co.uk screenshot

About Website

Welcome to boilerengineer4u.co.uk homepage info - get ready to check Boiler Engineer 4U best content right away, or after learning these important things about boilerengineer4u.co.uk

Based in South West London, we have a full complement of Gas Safe Certified engineers ready to solve your domestic plumbing and gas maintenance needs.

Visit boilerengineer4u.co.uk

Key Findings

We analyzed Boilerengineer4u.co.uk page load time and found that the first response time was 473 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

boilerengineer4u.co.uk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value19.2 s

0/100

10%

TBT (Total Blocking Time)

Value16,430 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value25.7 s

0/100

10%

Network Requests Diagram

boilerengineer4u.co.uk

473 ms

boilerengineer4u.co.uk

1326 ms

wp-emoji-release.min.js

185 ms

style.min.css

293 ms

styles.css

305 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 83% of them (71 requests) were addressed to the original Boilerengineer4u.co.uk, 6% (5 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Widget.reviewability.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Boilerengineer4u.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (30%)

Content Size

3.6 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Boilerengineer4u.co.uk main page is 3.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 219.7 kB

  • Original 254.3 kB
  • After minification 251.3 kB
  • After compression 34.5 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 219.7 kB or 86% of the original size.

Image Optimization

-23%

Potential reduce by 649.4 kB

  • Original 2.8 MB
  • After minification 2.1 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Boiler Engineer 4U needs image optimization as it can save up to 649.4 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-37%

Potential reduce by 123.6 kB

  • Original 337.6 kB
  • After minification 322.6 kB
  • After compression 214.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 123.6 kB or 37% of the original size.

CSS Optimization

-32%

Potential reduce by 78.3 kB

  • Original 247.8 kB
  • After minification 247.6 kB
  • After compression 169.4 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Boilerengineer4u.co.uk needs all CSS files to be minified and compressed as it can save up to 78.3 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (55%)

Requests Now

75

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boiler Engineer 4U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

boilerengineer4u.co.uk

boilerengineer4u.co.uk

473 ms

boilerengineer4u.co.uk

boilerengineer4u.co.uk

1326 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

185 ms

style.min.css

style.min.css

293 ms

styles.css

styles.css

305 ms

font-awesome.min.css

font-awesome.min.css

309 ms

style.css

style.css

708 ms

rgs.css

rgs.css

313 ms

style.css

style.css

323 ms

magnific.css

magnific.css

400 ms

responsive.css

responsive.css

560 ms

select2.css

select2.css

422 ms

ascend.css

ascend.css

420 ms

js_composer.min.css

js_composer.min.css

570 ms

css

css

44 ms

jquery.js

jquery.js

570 ms

jquery-migrate.min.js

jquery-migrate.min.js

527 ms

gtm4wp-contact-form-7-tracker.js

gtm4wp-contact-form-7-tracker.js

522 ms

gtm4wp-form-move-tracker.js

gtm4wp-form-move-tracker.js

629 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

147 ms

widgetAdv.min.js

widgetAdv.min.js

174 ms

popupWidget.min.js

popupWidget.min.js

205 ms

animate.min.css

animate.min.css

583 ms

core.min.js

core.min.js

606 ms

widget.min.js

widget.min.js

613 ms

position.min.js

position.min.js

617 ms

menu.min.js

menu.min.js

869 ms

wp-sanitize.min.js

wp-sanitize.min.js

870 ms

wp-a11y.min.js

wp-a11y.min.js

870 ms

autocomplete.min.js

autocomplete.min.js

870 ms

wpss-search-suggest.js

wpss-search-suggest.js

871 ms

scripts.js

scripts.js

888 ms

modernizr.js

modernizr.js

889 ms

magnific.js

magnific.js

889 ms

touchswipe.min.js

touchswipe.min.js

888 ms

caroufredsel.min.js

caroufredsel.min.js

889 ms

superfish.js

superfish.js

887 ms

init.js

init.js

1636 ms

select2.min.js

select2.min.js

1177 ms

wp-embed.min.js

wp-embed.min.js

1175 ms

js_composer_front.min.js

js_composer_front.min.js

1175 ms

gtm.js

gtm.js

262 ms

logo-with-slogan-normla.png

logo-with-slogan-normla.png

367 ms

logo-with-slogan-white.png

logo-with-slogan-white.png

368 ms

home-possibility-2.jpeg

home-possibility-2.jpeg

828 ms

text-slider-home-page.png

text-slider-home-page.png

756 ms

Homepage-Heating-App-1.jpg

Homepage-Heating-App-1.jpg

1535 ms

Homepage-Heating-App-1-1-e1576426939851.jpg

Homepage-Heating-App-1-1-e1576426939851.jpg

826 ms

plumbing-service.png

plumbing-service.png

756 ms

shutterstock_1342331402.png

shutterstock_1342331402.png

827 ms

heating-services.png

heating-services.png

827 ms

underfloor-services.png

underfloor-services.png

1529 ms

new-boler-pnh.png

new-boler-pnh.png

1528 ms

boiler-services.png

boiler-services.png

1531 ms

powerflush-services.png

powerflush-services.png

1531 ms

bathroom-services.png

bathroom-services.png

1530 ms

plumbing-new.png

plumbing-new.png

1723 ms

Homepage-heating-system-1-e1576428164764.jpg

Homepage-heating-system-1-e1576428164764.jpg

1534 ms

Homepage-heating-system.jpg

Homepage-heating-system.jpg

1719 ms

logo1.jpg

logo1.jpg

1531 ms

logo2.jpg

logo2.jpg

1532 ms

logo3.jpg

logo3.jpg

1535 ms

logo4.jpg

logo4.jpg

1482 ms

logo5.jpg

logo5.jpg

1482 ms

logo6.jpg

logo6.jpg

1482 ms

logo7.jpg

logo7.jpg

1482 ms

logo8.jpg

logo8.jpg

1482 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

115 ms

OpenSans-Light-webfont.woff

OpenSans-Light-webfont.woff

1471 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

289 ms

iJWZBXyIfDnIV5PNhY1KTN7Z-Yh-4I-FV0Uw.ttf

iJWZBXyIfDnIV5PNhY1KTN7Z-Yh-4I-FV0Uw.ttf

296 ms

iJWZBXyIfDnIV5PNhY1KTN7Z-Yh-B4iFV0Uw.ttf

iJWZBXyIfDnIV5PNhY1KTN7Z-Yh-B4iFV0Uw.ttf

296 ms

OpenSans-Regular-webfont.woff

OpenSans-Regular-webfont.woff

1466 ms

OpenSans-Semibold-webfont.woff

OpenSans-Semibold-webfont.woff

1467 ms

OpenSansBold-webfont.woff

OpenSansBold-webfont.woff

1567 ms

creditation-nest.png

creditation-nest.png

1467 ms

Hive-Logo.png

Hive-Logo.png

1466 ms

BoilerEngineer4U.png

BoilerEngineer4U.png

624 ms

creditation-tado.png

creditation-tado.png

1504 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexQ.ttf

184 ms

fontawesome-webfont.svg

fontawesome-webfont.svg

1614 ms

debit-cards-footer-300x40.png

debit-cards-footer-300x40.png

1279 ms

analytics.js

analytics.js

378 ms

hotjar-1493592.js

hotjar-1493592.js

1146 ms

collect

collect

676 ms

modules.bcd9ade6b0bb9bdd0789.js

modules.bcd9ade6b0bb9bdd0789.js

252 ms

Accessibility Review

boilerengineer4u.co.uk accessibility score

82

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

boilerengineer4u.co.uk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

boilerengineer4u.co.uk SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Boilerengineer4u.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Boilerengineer4u.co.uk main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

boilerengineer4u.co.uk

Open Graph data is detected on the main page of Boiler Engineer 4U. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: